<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" href="test.css">
    <script type="text/javascript" src="./tools.js"></script>
    <script type="text/javascript" src="base.js"></script>
    <script type="text/javascript" src="base_drag.js"></script>
    <script type="text/javascript" src="test.js"></script>
    <title>Document</title>
</head>
<body>
    <div id="box">box</div>
    <input type="button" id="button" value="按钮"/>
</body>
</html>